157123764 has 72 divisors (see below), whose sum is σ = 473665920. Its totient is φ = 42939072.

The previous prime is 157123753. The next prime is 157123819. The reversal of 157123764 is 467321751.

It is a happy number.

157123764 is a `hidden beast` number, since 1 + 571 + 23 + 7 + 64 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7759 + ... + 19350.

Almost surely, 2^157123764 is an apocalyptic number.

157123764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

157123764 is an abundant number, since it is smaller than the sum of its proper divisors (316542156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157123764 is a wasteful number, since it uses less digits than its factorization.

157123764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27149 (or 27144 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 157123764 is about 12534.9018344780. The cubic root of 157123764 is about 539.6107894988.

The spelling of 157123764 in words is "one hundred fifty-seven million, one hundred twenty-three thousand, seven hundred sixty-four".